Maths GCSE Foundation & Higher. Surds & irrational numbers, three activities or investigations in shape and measure.
Finding the length of a the side of a square that leads to an irrational number.
Comparing ratios of paper sizes to derive the ratio of length to width for A4 paper.
Finding the area and perimeter of the pieces of a tangram.
All good stuff that leads the learner through different process to derive lengths and areas using surds, and to add and simplify with surds.
Needs knowledge of Pythagoras, which is KS3. So great for revising Pythagoras with surds.
Finding the length of a the side of a square that leads to an irrational number.
Comparing ratios of paper sizes to derive the ratio of length to width for A4 paper.
Finding the area and perimeter of the pieces of a tangram.
All good stuff that leads the learner through different process to derive lengths and areas using surds, and to add and simplify with surds.
Needs knowledge of Pythagoras, which is KS3. So great for revising Pythagoras with surds.
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